US3576898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic hydrocarbons
Assignee: Monsanto Co
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Filing: 1967-12-06
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Granted: 1971-04-27
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Expires: 1987-12-06
Abstract
Abstract COMPOUNDS OF THE CLASS WHICH EXHIBIT WIDE LIQUID RANGE AND HIGH BOILING POINTS HAVING FROM 24 TO ABOUT 96 CARBON ATOMS AND WHICH HAVE THE CHEMICAL STRUCTURE (R)2-CH-CH2-(C(-R)2-CH2)A-C(-R)2-CH3 WHEREIN EACH R IS ALKYL AND A IS A WHOLE NUMBER HAVING A VALUE OF FROM 0 TO 1. THE COMPOUNDS ARE PARTICULARLY USEFUL AS JET ENGINE LUBRICANTS.
Inventors
- 👤 Edward S Blake
- 👤 Morris R Ort
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:55
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/30; C07C2/14; C07C2/20; C07C2/22; C07C5/00; C07C5/02; C07C5/03; C07C9/00; C07C9/22; C10; C10M; C10M3/00; C07C2525/00; C07C2525/02; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/126; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/14; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2205/028; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/108; C10M2209/109; C10M2211/00; C10M2211/02; C10M2211/024; C10M2211/04; C10M2211/042; C10M2211/06; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/06; C10M2223/061; C10M2223/065; C10N; C10N2030/00; C10N2030/08; C10N2030/32; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |